import { expect, test } from "bun:test";
import { decodeEntities, findTags, metaContent, parseAttributes, textOf } from "../src/core/html";

test("decodes named and numeric entities", () => {
  expect(decodeEntities("a &amp; b &lt;c&gt; &quot;d&quot; &#39;e&#x27; &apos;f&apos; &bogus;")).toBe(`a & b <c> "d" 'e' 'f' &bogus;`);
});

test("parses attributes in any order and quoting style", () => {
  expect(parseAttributes(`<meta content="x&amp;y" property=og:image data-a='1' hidden>`))
    .toEqual({ content: "x&y", property: "og:image", "data-a": "1", hidden: "" });
  expect(parseAttributes(`<div class="detail_bg" style="background:url('https://a/b.jpg') repeat-x">`).style)
    .toBe("background:url('https://a/b.jpg') repeat-x");
});

test("finds tags and meta content by property or name", () => {
  const html = `<head><meta name="twitter:image" content="t.jpg"/><META property="og:image" content="o.jpg"></head>`;
  expect(findTags(html, "meta")).toHaveLength(2);
  expect(metaContent(html, "og:image")).toBe("o.jpg");
  expect(metaContent(html, "twitter:image")).toBe("t.jpg");
  expect(metaContent(html, "og:title")).toBeUndefined();
});

test("textOf strips tags and collapses whitespace", () => {
  expect(textOf("<span>Tower</span>\n  of &amp; God ")).toBe("Tower of & God");
});